Home / 21,924.36-30,248.36-12,363.05

Finding the Fourth Proportional to 21,924.36, 30,248.36 and 12,363.05

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Solution

The fourth proportional to 21,924.36, 30,248.36 and 12,363.05 is: 17,056.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924.36 : 30,248.36 = 12,363.05 : x
  2. Step 2: Convert to fraction form
    21,924.36/30,248.36 = 12,363.05/x
  3. Step 3: Cross multiply
    21,924.36x = 30,248.36 × 12,363.05
  4. Step 4: Simplify right side
    21,924.36x = 373,961,774.04
  5. Step 5: Solve for x
    x = 373,961,774.04/21,924.36
  6. Step 6: Final answer
    x = 17,056.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.